<template>
  <div class="my-counter">
    <button type="button" class="btn btn-light" @click="change" >-</button>
    <input type="number" class="form-control inp"  v-model="arr.goods_count">
    <button type="button" class="btn btn-light" @click="add">+</button>
  </div>
</template>

<script>
export default {
  props:['arr'],
  methods:{
    add(){
      this.arr.goods_count++
    },
    change(){
      if ( this.arr.goods_count===0) {
        return
      }
      this.arr.goods_count--

    }
  }
}
</script>

<style lang="less" scoped>
.my-counter {
  display: flex;
  .inp {
    width: 45px;
    text-align: center;
    margin: 0 10px;
  }
  .btn, .inp{
    transform: scale(0.9);
  }
}
</style>